AS1255 Smith College

SMITHCOLLEGE-AS - Smith College · registered in the United States

IPv4 addresses32,76812 prefixes · 0.001% of announced IPv4

Rank in United States#1,735largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#4,810of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS1255 in ASN lookup Look up an IP in this network (131.229.0.1) All networks in United States

IPv4 prefixes

All 12 prefixes, in address order.

131.229.0.0/21
131.229.8.0/24
131.229.9.0/24
131.229.10.0/23
131.229.12.0/22
131.229.16.0/20
131.229.32.0/19
131.229.64.0/22
131.229.68.0/22
131.229.72.0/21
131.229.80.0/20
131.229.96.0/19

Similar-sized networks in United States

ASNNameIPv4 addresses

AS213#1732 DNIC-AS-00213 - Headquarters, USAISC32,768

AS14031#1733 SCXY - Association for Computing Machinery, Inc.32,768

AS40591#1734 BUCKNELLUNIVERSITY - Bucknell University32,768

AS1568#1736 DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD)32,768

AS1586#1737 DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD)32,768

AS1772#1738 DNIC-AS-01772 - Navy Network Information Center (NNIC)32,768

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources